Gunpatroy Private Limited

Mines, processes and exports mica and mica-based products

Gunpatroy Private Limited, headquartered in Kolkata, is a century-old family-run mica manufacturer and exporter tracing its roots to 1885, formally incorporated in 1930. Operating under the GR-Mica brand with subsidiary Shree GR Exports Pvt Ltd, the ISO 9001:2008-certified company processes and exports mica and mica-based products globally, led by the Rajgarhia family across generations.